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Finding the Fourth Proportional to 568,101.20, 783,996.06 and 313,468.79

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Solution

The fourth proportional to 568,101.20, 783,996.06 and 313,468.79 is: 432,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,101.20 : 783,996.06 = 313,468.79 : x
  2. Step 2: Convert to fraction form
    568,101.20/783,996.06 = 313,468.79/x
  3. Step 3: Cross multiply
    568,101.20x = 783,996.06 × 313,468.79
  4. Step 4: Simplify right side
    568,101.20x = 245,758,296,292.97
  5. Step 5: Solve for x
    x = 245,758,296,292.97/568,101.20
  6. Step 6: Final answer
    x = 432,595.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.